Capitalize "Latin" when it refers to:
* The Latin language: "I studied Latin in high school."
* People from ancient Rome: "The Latins were known for their engineering skills."
* Roman culture: "The Latin world was a powerful empire."
Do not capitalize "Latin" when it refers to:
* A specific language family: "Latin is part of the Indo-European language family."
* A general adjective: "The book was written in a Latin script."
* A specific word: "The Latin word "amicus" means "friend"."
In summary:
* Capitalize "Latin" when it refers to the language, the people, or the culture of ancient Rome.
* Do not capitalize "Latin" when it refers to a language family, an adjective, or a specific word.